The `private-console.h` must not be added to the `build_sources_headers` setting.
Adding it to the `build_sources_headers` sets it up to be installed.
build_libraries_static -l:libc.a
build_libraries_static-individual -l:libf_memory.a -l:libf_string.a -l:libf_type_array.a -l:libf_utf.a
-build_sources_headers console.h console/common.h private-console.h
+build_sources_headers console.h console/common.h
build_sources_library console.c console/common.c private-console.c